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Discover TSP Manufacturing’s engineered fasteners, crafted for high strength, corrosion resistance, and precision to meet the demands of critical applications. OUR PRODUCTS Specialty Engineered Fasteners Home / Products / Engineered Fasteners / Meeting Industry Standards Our engineered fasteners are manufactured to customer specifications and reference multiple industry standards such as ASTM, SAE, DIN, MIL, API, and ANSI. TSP Manufacturing's fasteners are produced from various materials and strengths including stainless steels, nickel alloys, pH grades, copper, brass, bronze, aluminum, other ferrous and non-ferrous materials, and plastics. WHEN ONLY THE BEST WILL DO Engineered fasteners for critical application HIGH-STRENGTH CORROSION RESISTANT TIGHT TOLERANCE specialty features OUR PRODUCTS Explore other products Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. Get a quote for your upcoming project CONTACT Contact our product specialists today CONTACT EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities

Sandra Aguilar Sales Manager BIO With over 15 years of experience at TSP Manufacturing, Sandra Aguilar has developed a comprehensive understanding of the company’s processes and products, having worked across multiple departments. As Sales Manager, Sandra leads the inside sales team with a focus on delivering exceptional customer service, knowing that strong, reliable partnerships are key to mutual success. Her dedication to meeting the unique needs of each client has helped foster long-term relationships, ensuring that both TSP Manufacturing and its customers thrive together in a competitive market. BACK

Explore TSP Manufacturing's journey through our company timeline and meet the expert team driving innovation, quality, and precision in engineered fasteners. CELEBRATING OVER 87 YEARS About Us 1991 TSP’s sister company U.S. Bolt Manufacturing is launched 1994 TSP integrates Supply Chain agreement with Fortune 500 Original Equipment Manufacturer History of our timline 1938 Texas Screw Products (TSP) begins as a Full Line Distributor just north of Downtown Houston 1986 TSP is purchased and brought under the leadership of Walter Negley OUR TEAM John Warren President Christopher Smith General Manager Lester Burgess Chief Quality Officer Alex Dundas Operational Research Engineer Norberto Diaz Engineering Manager OUR TEAM Travis Arbing Purchasing Manager Bill Arnold Sales Manager Sandra Aguilar Sales Manager Mirla Fonseca Sales Manager Randy Boatright Accounting Manager Get a quote for your upcoming project CONTACT 1997 TSP becomes ISO 9002-1994 registered 1998 TSP’s laboratory becomes accredited to ISO 17025 OUR TEAM Esvin Gomez Quality Manager Jesus Martinez Quality Control Supervisor Veronica Garcia Quality Assurance Supervisor Jose Medina Warehouse Supervisor 2008 TSP moves to its new location on West 12th Street, Houston Texas 2018 TSP becomes TSP Mfg., a WN Global Company, strengthening its relationship with sister company U.S. Bolt and enhancing the value delivered to the customer OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components

Travis Arbing Purchasing Manager BIO As Purchasing Manager at TSP Manufacturing, Travis Arbing plays a pivotal role in sourcing and managing the materials essential for producing high-performance engineered fasteners. With a focus on quality, efficiency, and cost optimization, Travis ensures the supply chain supports the company’s commitment to excellence in serving critical industries. His expertise in supplier relationships and procurement strategies contributes to the seamless production of critical components for demanding applications. BACK

Explore TSP Manufacturing’s precision-engineered shear screws, designed for reliable control in critical applications. OUR PRODUCTS Precision Shear Products Home / Products / Shear Screws / Experts in Specialized Shear Products TSP Manufacturing holds over 25 years in manufacturing & testing of custom precision shear screws, pins and components. We maintain verifiable control of raw material, machining, and testing of shear products, providing the highest quality and traceability to our customers. WHEN ONLY THE BEST WILL DO Key Advantages of TSP Manufacturing's Precision Shear Products Extensive Experience: Over 25 years of expertise in manufacturing and testing custom precision shear screws and pin products. Raw Material Control: Verifiable control of raw material machining and testing ensures consistent quality. High Performance: Products are engineered to perform as intended in specific applications. Rigorous Quality Checks: Thorough testing in our certified lab guarantees adherence to precise specifications. Customer-Centric Compliance: Products are tailored to meet customers' unique and stringent requirements. OUR PRODUCTS Explore other products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. Get a quote for your upcoming project CONTACT EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components Contact our product specialists today CONTACT

Survey CUSTOMER SURVEY We value your feedback TSP Manufacturing strives to maintain excellent service to our customers. In order to achieve this goal, we would greatly appreciate your response to the questions below. Company name* Survey completed by:* Email:* Please rate the following aspects of your experience: How would you rate the quality of our products? 1 2 3 4 5 N/A How would you rate our overall customer service? 1 2 3 4 5 N/A How would you rate our response time? 1 2 3 4 5 N/A How would you rate our delivery? 1 2 3 4 5 N/A How would you rate our technical support? 1 2 3 4 5 N/A How would you rate the quality of documentation? 1 2 3 4 5 N/A How easy is the purchasing process with our company? 1 2 3 4 5 N/A We value clear communication with our customers. How would you rate our communication, whether via phone, email, and/or in person? 1 2 3 4 5 N/A Feedback/comments: Thank you in advance for your time and cooperation. SUBMIT

Lester Burgess Chief Quality Officer BIO Lester Burgess has been with the WN Global family of companies for over 20 years. He has over 40 years’ experience in manufacturing management, metallurgy and quality assurance. Lester chairs ASTM Subcommittee A01.13 on Steel Testing and ASTM Section A01.22.01 on Bolting. He is Vice-Chair of API Subcommittee 21 on Materials and technical lead for API Specifications 20E and 20F. He has authored numerous material and test specifications. Lester is an ASTM Fellow and currently serves as President of the Association of Wellhead Manufacturers (AWHEM). Lester is an American Society for Quality (ASQ) Certified Quality Engineer and sits on the Accreditation Council of the American Association for Laboratory Accreditation (A2LA). Lester is the recipient of many industry awards including the highest award of the ASTM Steel Committee - The Founding Committee Award. Lester studied metallurgy at the University of Rhode Island and holds a BS in Economics (statistics) and MBA from the University of Houston. Lester is an avid reader, musician, and enjoys athletics, especially competing in sprint triathlons. BACK

MANUFACTURING PROCESSES Heat Treatment: Tempering Tempering is a crucial step in the heat treatment process for engineered fasteners and components. It follows the quenching process and involves reheating the material to a specific temperature below its critical point, then allowing it to cool. This process reduces brittleness, improves toughness, and helps achieve a desirable balance of hardness and ductility. Tempering Process: 1. Preparation After Quenching: After a fastener is quenched, it often has a hard but brittle martensitic structure. Tempering addresses this brittleness while retaining the strength gained during quenching. 2. Reheating: The fastener is reheated to a controlled temperature, typically between 150°C and 700°C (300°F to 1292°F), depending on the material and desired properties. For low-temperature tempering (150°C–250°C), hardness is maintained with slight toughness improvements. For high-temperature tempering (500°C–700°C), toughness and ductility are significantly increased, with some reduction in hardness. 3. Soaking Time: The fastener is held at the tempering temperature for a specific duration to allow changes in the microstructure. The time is determined by the material and the fastener’s size and application. 4. Cooling: After soaking, the fastener is air-cooled, water-cooled, or oil-cooled, depending on the process requirements and material. Effects of Tempering on Fasteners: Reduction of Residual Stresses: Quenching induces internal stresses due to rapid cooling. Tempering relieves these stresses, reducing the risk of cracking or distortion. Transformation of Microstructure: The brittle martensite structure transforms into tempered martensite, which has enhanced toughness and stability. Tailored Mechanical Properties: Tempering adjusts the balance of hardness and toughness, making fasteners suitable for specific applications. Improved Wear Resistance: Tempering enhances the wear resistance of fasteners, ensuring durability in demanding environments. Key Considerations in Tempering: 1. Temperature Selection: Lower temperatures maintain hardness but offer limited toughness improvements. Higher temperatures improve toughness and ductility but may reduce hardness. 2. Controlled Atmosphere: Tempering in a controlled environment (vacuum or inert gas) prevents oxidation or scaling on the fastener’s surface. 3. Material-Specific Parameters: Different materials require different tempering temperatures and durations to achieve optimal results. Benefits of Tempering for Fasteners: Enhanced Durability: Fasteners can resist mechanical and thermal stresses over extended periods. Improved Safety: Reduced brittleness minimizes the risk of failure under load. Customizable Properties: Tempering allows manufacturers to fine-tune properties for specific applications, such as aerospace or oil & gas. Applications in Engineered Fasteners: Tempering is essential for fasteners that must withstand mechanical loads, thermal stresses, and harsh operating conditions. Common examples include: Structural Fasteners: Bolts, screws, and nuts used in construction, automotive, and aerospace applications. High-Strength Fasteners: Fasteners for machinery, heavy equipment, and turbines. Critical Components: Fasteners for nuclear power plants, oil rigs, and space exploration. Challenges in Tempering: Over-Tempering: Excessive temperature or time can overly reduce hardness, compromising strength. Surface Oxidation: Without proper atmospheric control, oxidation can degrade the fastener’s surface quality. Dimensional Stability: Large or complex-shaped fasteners may experience slight distortion due to residual stress relief. Tempering Example for a High-Strength Bolt: 1. Material: Medium-carbon alloy steel (e.g., 4140 steel). 2. Quenching: The bolt is quenched to form martensite. 3. Tempering: The bolt is reheated to 600°C (1112°F) for 2 hours. This reduces brittleness and increases toughness while maintaining sufficient hardness. 4. Resulting Properties: High tensile strength, improved toughness, and resistance to fatigue. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

Esvin Gomez Quality Manager BIO As the Quality Manager at TSP Manufacturing, Esvin Gomez plays a critical role in ensuring that all products meet the highest standards of precision, reliability, and performance. With a strong background in quality management systems, Esvin leads efforts to maintain strict compliance with industry regulations and customer requirements. His expertise in process improvement and quality control helps TSP Manufacturing deliver superior engineered fasteners. Esvin's commitment to continuous improvement and his leadership in quality assurance contribute to the company’s reputation for excellence. BACK

Norberto Diaz Engineering Manager BIO As Engineering Manager at TSP Manufacturing, Norberto Diaz oversees the development and implementation of advanced engineering solutions for the production of high-performance fasteners. With extensive expertise in materials science and precision manufacturing, Norberto leads a team dedicated to delivering innovative, reliable, and industry-leading components. His commitment to excellence and collaboration drives the company’s success in tackling complex engineering challenges. BACK

SERVICING THE CUSTOMER Nuclear Home / Industries / Nuclear / Industry Overview Engineered fasteners and components are critical to the nuclear industry, where safety, reliability, and performance under extreme conditions are of utmost importance. These fasteners play a key role in ensuring the structural integrity and operational efficiency of nuclear facilities, reactors, and supporting infrastructure. KEY FEATURES High Strength and Durability: Fasteners must endure intense pressures, high temperatures, and mechanical loads. Corrosion Resistance: Materials are selected to withstand radiation, high-temperature steam, and chemically aggressive environments found in nuclear operations. Radiation Tolerance: Components must retain their structural integrity and performance despite prolonged exposure to radiation. Precision Engineering: Tight tolerances are essential to ensure secure, leak-free, and vibration-resistant connections. WHEN ONLY THE BEST WILL DO Common Applications: Nuclear Reactors: Fasteners are used in reactor vessels, core components, and control rod assemblies. Containment Structures: Critical for sealing and structural stability of containment domes and systems. Steam Generators: Secure connections in high-temperature and high-pressure systems for energy transfer. Fuel Handling Systems: Specialized fasteners in components for transporting and storing nuclear fuel. Cooling Systems: Used in pumps, valves, and heat exchangers that maintain reactor temperature control. Materials: The materials used for fasteners in nuclear applications are chosen for their strength, corrosion resistance, and stability under radiation, including: Nickel Alloys: Excellent for high-temperature and corrosive environments. Stainless Steels (Austenitic and Duplex): Offer strength and corrosion resistance, even under high temperatures and radiation. Zirconium Alloys: Used in fuel cladding and other reactor components for their low neutron absorption and high corrosion resistance. High-Strength Alloy Steels: Provide excellent performance under mechanical stress and extreme conditions. Industry Standards: Fasteners for the nuclear industry must meet stringent regulatory and safety standards, such as: ASME BPVC (Boiler and Pressure Vessel Code) for nuclear pressure vessels. NRC (Nuclear Regulatory Commission) standards for materials and performance in the U.S. ISO 9001 for quality management in the nuclear supply chain. The TSP Manufacturing Advantage TSP Manufacturing specializes in custom-engineered fasteners tailored to meet the unique requirements of the nuclear industry. Our fasteners are designed to provide exceptional performance under the extreme conditions of nuclear operations, offering superior corrosion resistance, strength, and precision. They are manufactured to comply with the most rigorous industry standards, ensuring safety, reliability, and long service life in critical applications. OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT Get a quote for your upcoming project CONTACT

SERVICING THE CUSTOMER Our Services Technical Support & Supply Chain Solutions Our Technical/Support Services, and comprehensive Supply Chain Solutions, are tailored to meet the unique needs of Original Equipment Manufacturers (OEMs). Leveraging our expertise in advanced materials, engineering, and logistics, we deliver high-quality components and seamless supply chain integration. From technical consultation to inventory management, we ensure efficiency, reliability, and precision at every stage of production, enabling OEMs to achieve their operational goals. OUR SERVICES Explore our services Technical / Support Services Our Technical and Support Services encompass a wide range of solutions, including R&D, testing, onsite support, engineering reviews, material selection, and product traceability, ensuring streamlined procurement processes and enhanced operational efficiency for our customers. Supply Chain Solutions Our Supply Chain Solutions include comprehensive services such as fastener procurement, inventory management, material planning, on-site support, and cost-saving metrics, ensuring streamlined operations, reduced costs, and improved efficiency for our customers. Reduction of On-Hand Inventory Research and Development Testing Onsite Support Engineering Product Review Participation Material Selection Part Number Rationalization Product Traceability Via Document Imaging System Direct Support of Customer Field Offices Management of Fastener Procurement Processes Standardization of Descriptions Design for Manufacturability Prototype Support Quick-Turn Manufacturing Identification of Duplicates SUPPORT SERVICES Technical / Support Services Contact our technical/support team today CONTACT SUPPLY CHAIN SERVICES Supply Chain Solutions TSP Manufacturing’s Supply Chain Programs are customized to each client’s needs and are placed into operation as required to satisfy a specific level of process, product and possession savings that benefits the customer’s business application. SUPPLY CHAIN SERVICES Explore our supply chain services Fastener Procurement Services Material Requirements Planning Services Inventory Management Services Consigned Inventory Services On-site Personnel Services Total Cost Savings Measurement Services Inventory Management Intelligent Inventory Management Material Requirements Planning Services Inventory Management Services Consigned Inventory Services On-site Personnel Services Total Cost Savings Measurement Services Value Add Metrics Product Cost Savings Process Cost Savings Possession Cost Savings SUPPLY CHAIN SERVICES Intelligent Inventory Management Our Intelligent Inventory Management program seamlessly automates fastener supply chain, leveraging commercial RFID technology with a user-friendly web interface to exchange real-time data between the supplier & the customer on inventory status LEARN MORE Contact our supply chain engineers today CONTACT Get a quote for your upcoming project CONTACT TSP Manufacturing is a global leader in engineered fasteners, precision-machined components, and supply chain integration, delivering high-performance solutions that meet the critical demands of industries worldwide